{"id":12942,"date":"2022-10-02T12:23:31","date_gmt":"2022-10-02T06:53:31","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-what-is-the-fastest-way-to-go-through-a-xml-file-in-c\/"},"modified":"2022-10-02T12:23:31","modified_gmt":"2022-10-02T06:53:31","slug":"solved-what-is-the-fastest-way-to-go-through-a-xml-file-in-c","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-what-is-the-fastest-way-to-go-through-a-xml-file-in-c\/","title":{"rendered":"[Solved] What is the fastest way to go through a XML file in C#?"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-64679962\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"64679962\" data-parentid=\"64679492\" data-score=\"0\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<p>Here is the example, which reads sample XML and shows comparison between Linq\/<code>XMlReader<\/code> and <code>XmlDocument<\/code><\/p>\n<p>Linq is fastest.<\/p>\n<p>Sample Code<\/p>\n<pre><code>using System;\nusing System.Diagnostics;\nusing System.Linq;\nusing System.Xml;\nusing System.Xml.Linq;\n\nnamespace ReadXMLInCsharp\n{\n  class Program\n  {\n    static void Main(string[] args)\n    {\n     \n        \/\/returns url of main directory which contains \"\/bin\/Debug\"\n        var url=System.IO.Path.GetDirectoryName(\nSystem.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase);\n        \n        \/\/correction in path to point it in Root directory\n        var mainpath = url.Replace(\"\\\\bin\\\\Debug\", \"\") + \"\\\\books.xml\";\n\n        var stopwatch = new Stopwatch();\n        stopwatch.Start();\n\n        \/\/create XMLDocument object\n        XmlDocument xmlDoc = new XmlDocument();\n        \/\/load xml file\n        xmlDoc.Load(mainpath);\n        \/\/save all nodes in XMLnodelist\n        XmlNodeList nodeList = xmlDoc.DocumentElement.SelectNodes(\"\/catalog\/book\");\n\n        \/\/loop through each node and save it value in NodeStr\n        var NodeStr = \"\";\n\n        foreach (XmlNode node in nodeList)\n        {\n            NodeStr = NodeStr + \"\\nAuthor \" + node.SelectSingleNode(\"author\").InnerText;\n            NodeStr = NodeStr + \"\\nTitle \" + node.SelectSingleNode(\"title\").InnerText;\n            NodeStr = NodeStr + \"\\nGenre \" + node.SelectSingleNode(\"genre\").InnerText;\n            NodeStr = NodeStr + \"\\nPrice \" + node.SelectSingleNode(\"price\").InnerText;\n            NodeStr = NodeStr + \"\\nDescription -\" + node.SelectSingleNode(\"description\").InnerText;\n\n\n        }\n        \/\/print all Authors details\n        Console.WriteLine(NodeStr);\n        stopwatch.Stop();\n        Console.WriteLine();\n        Console.WriteLine(\"Time elapsed using XmlDocument (ms)= \" + stopwatch.ElapsedMilliseconds);\n        Console.WriteLine();\n\n        stopwatch.Reset();\n\n        stopwatch.Start();\n        NodeStr = \"\";\n        \/\/linq method\n        \/\/get all elements inside book\n        foreach (XElement level1Element in XElement.Load(mainpath).Elements(\"book\"))\n        {\n            \/\/print each element value\n            \/\/you can also print XML attribute value, instead of .Element use .Attribute\n            NodeStr = NodeStr + \"\\nAuthor \" + level1Element.Element(\"author\").Value;\n            NodeStr = NodeStr + \"\\nTitle \" + level1Element.Element(\"title\").Value;\n            NodeStr = NodeStr + \"\\nGenre \" + level1Element.Element(\"genre\").Value;\n            NodeStr = NodeStr + \"\\nPrice \" + level1Element.Element(\"price\").Value;\n            NodeStr = NodeStr + \"\\nDescription -\" + level1Element.Element(\"description\").Value;\n        }\n\n        \/\/print all Authors details\n        Console.WriteLine(NodeStr);\n        stopwatch.Stop();\n        Console.WriteLine();\n        Console.WriteLine(\"Time elapsed using linq(ms)= \" + stopwatch.ElapsedMilliseconds);\n        Console.WriteLine();\n\n        stopwatch.Reset();\n        stopwatch.Start();\n        \/\/method 3\n        \/\/XMLReader\n        XmlReader xReader = XmlReader.Create(mainpath);\n\n        xReader.ReadToFollowing(\"book\");\n        NodeStr = \"\";\n        while (xReader.Read())\n        {\n            switch (xReader.NodeType)\n            {\n                case XmlNodeType.Element:\n                    NodeStr = NodeStr + \"\\nElement name:\" + xReader.Name;\n                    break;\n                case XmlNodeType.Text:\n                    NodeStr = NodeStr + \"\\nElement value:\" + xReader.Value;\n                    break;\n                case XmlNodeType.None:\n                    \/\/do nothing\n                    break;\n\n            }\n        }\n\n        \/\/print all Authors details\n        Console.WriteLine(NodeStr);\n        stopwatch.Stop();\n        Console.WriteLine();\n        Console.WriteLine(\"Time elapsed using XMLReader (ms)= \" + stopwatch.ElapsedMilliseconds);\n        Console.WriteLine();\n        stopwatch.Reset();\n\n\n        Console.ReadKey();\n    }\n  }\n}\n<\/code><\/pre>\n<p>Output:<\/p>\n<pre><code>-- First Run\nTime elapsed using XmlDocument (ms)= 15\n\nTime elapsed using linq(ms)= 7\n\nTime elapsed using XMLReader (ms)= 12\n\n-- Second Run\nTime elapsed using XmlDocument (ms)= 18\n\nTime elapsed using linq(ms)= 3\n\nTime elapsed using XMLReader (ms)= 15\n<\/code><\/pre>\n<p>I have removed some output to show only comparison data.<\/p>\n<p>Source: <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/qawithexperts.com\/article\/c-sharp\/open-and-read-xml-in-c-examples-using-linq-xmlreader-xmldocu\/310\">Open and Read XML in C# (Examples using Linq, XMLReader, XMLDocument)<\/a><\/p>\n<p><strong>Edit<\/strong>: If i comment &#8216;<code>Console.WriteLine(NodeStr)<\/code>&#8216; from all methods and prints only time comparison.<br \/>\nThis is what I get<\/p>\n<pre><code>Time elapsed using XmlDocument (ms)= 11\n\n\nTime elapsed using linq(ms)= 0\n\n\nTime elapsed using XMLReader (ms)= 0\n<\/code><\/pre>\n<p>Basically it depends on how you are processing the data and how you are reading XML.<br \/>\nLinq\/XML reader once look more promising in terms of speed.<\/p>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">2<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved What is the fastest way to go through a XML file in C#? <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Here is the example, which reads sample XML and shows comparison between Linq\/XMlReader and XmlDocument Linq is fastest. Sample Code using System; using System.Diagnostics; using System.Linq; using System.Xml; using System.Xml.Linq; namespace ReadXMLInCsharp { class Program { static void Main(string[] args) { \/\/returns url of main directory which contains &#8220;\/bin\/Debug&#8221; var url=System.IO.Path.GetDirectoryName( System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase); \/\/correction in &#8230; <a title=\"[Solved] What is the fastest way to go through a XML file in C#?\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-what-is-the-fastest-way-to-go-through-a-xml-file-in-c\/\" aria-label=\"More on [Solved] What is the fastest way to go through a XML file in C#?\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324,325,577,3493],"class_list":["post-12942","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-performance","tag-xml","tag-xmlreader"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] What is the fastest way to go through a XML file in C#? - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-what-is-the-fastest-way-to-go-through-a-xml-file-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] What is the fastest way to go through a XML file in C#? - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Here is the example, which reads sample XML and shows comparison between Linq\/XMlReader and XmlDocument Linq is fastest. 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